A metallic right circular cone 20 cm high and whose vertical angle is 60 is cut...
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A metallic right circular cone 20 cm high and whose vertical angle is 60° is cut into two parts at the middle of its height by a plane parallel to its base. If the frustum so obtained is drawn into a wire of diameter 1/16 cm, find the 22. length of the wire. [Use π = ²/²]
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